Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
295 FOUS54 KMRX 081739 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 138 PM EDT Fri Aug 8 2025 TNZ017-090800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 138 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 86 62 88 65 Temp 84 79 70 66 63 64 76 83 85 79 70 64 62 64 77 85 86 81 72 67 65 67 Dewpt 62 64 63 62 60 61 65 64 63 65 62 62 61 62 66 65 65 65 65 65 65 66 RH 48 60 78 87 90 90 69 53 48 62 76 93 97 93 69 51 50 58 79 93100 97 Wind Dir E SE E E E E E E E SE SE E E E SE E SE SE SE SE E E Wind Spd 4 5 4 2 2 2 2 2 4 5 4 2 2 2 2 2 4 5 4 2 2 2 Clouds SC B1 FW FW SC SC FW FW FW FW FW FW FW FW FW SC FW SC FW FW SC SC PoP 12hr 10 5 5 10 10 QPF 12hr 0 0 0 0 0 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 66 88 68 84 69 86 68 88 Temp 85 81 68 68 85 81 70 70 81 78 70 70 83 80 70 70 85 81 Dewpt 68 68 67 67 69 68 69 69 71 70 69 69 71 70 69 68 70 68 PWind Dir SE SE S S SW SW W S W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B1 SC SC SC SC SC PoP 12hr 30 10 40 30 50 20 40 20 40 Rain shwrs C S C C C C S S C S S C Tstms C C S S C S S C S C $$ TNZ071-090800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 138 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 67 90 69 Temp 86 82 75 71 69 69 80 87 87 81 76 73 70 68 82 89 88 81 76 73 71 70 Dewpt 64 68 69 69 67 66 69 67 66 67 68 67 66 65 68 67 67 68 69 68 68 68 RH 48 63 82 93 93 90 69 52 50 63 76 81 87 90 63 48 50 65 79 84 90 93 Wind Dir NE E SW W E E NE NE NE E S S E E NE NE E SE SE S E E Wind Spd 3 3 2 2 2 2 2 3 3 3 2 2 2 2 2 3 4 3 2 2 2 2 Clouds SC SC SC SC SC SC FW SC SC SC SC FW FW SC FW SC SC SC SC SC SC SC PoP 12hr 20 10 5 10 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S Tstms S Heat index 85 83 90 85 92 91 84 Max heat 87 90 92 92 93 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 71 89 72 85 71 89 72 91 Temp 89 82 73 72 88 82 74 72 82 80 73 71 86 83 74 73 89 85 Dewpt 70 70 70 69 71 70 71 71 74 71 71 70 73 71 71 71 72 70 PWind Dir E S S SW SW SW W S N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC PoP 12hr 30 20 50 30 50 20 40 20 30 Rain shwrs C S S C C S C C S S C S C Tstms C S S C S S C S S C S C $$ TNZ036-090800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 138 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 68 90 69 Temp 85 80 74 71 69 69 80 87 87 81 75 73 70 69 81 89 90 83 76 71 69 71 Dewpt 66 68 69 69 67 67 70 68 66 68 67 67 66 66 69 68 67 68 69 68 68 68 RH 53 67 84 93 93 93 72 53 50 65 76 81 87 90 67 50 47 61 79 90 97 90 Wind Dir E E S W W NE E E E E S SW NW NE E E E SE SE SW NW NE Wind Spd 2 2 1 1 1 1 1 2 3 2 1 2 1 2 2 2 2 2 2 1 1 1 Clouds SC SC SC SC SC SC FW SC SC SC SC FW FW SC FW FW SC SC FW FW SC SC PoP 12hr 10 10 5 10 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Tstms S Heat index 83 83 91 84 84 93 93 86 Max heat 89 91 92 93 93 84 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 70 89 71 85 71 88 70 91 Temp 89 82 72 72 88 81 73 71 83 80 72 72 86 82 73 71 88 84 Dewpt 70 70 70 70 72 70 71 71 74 71 70 70 73 72 71 71 72 70 PWind Dir E SW S SW SW SW W NW N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 20 10 50 30 50 20 40 20 40 Rain shwrs S S C C S C C S S C S S C Tstms S S C S S C S S C S S C $$ TNZ099-090800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 138 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 89 69 89 71 Temp 88 82 75 72 70 70 80 86 88 83 76 72 69 71 81 87 88 83 76 73 72 71 Dewpt 67 69 70 69 68 68 69 68 68 69 69 68 67 68 70 70 70 70 71 70 70 70 RH 50 65 84 90 93 93 69 55 52 63 79 87 93 90 69 57 55 65 85 90 93 97 Wind Dir SE SE SE S S E SE SE SE SE SE SE E NE E SE SE SE SE SE SE E Wind Spd 3 3 2 2 1 1 3 4 5 4 2 2 1 2 3 5 5 4 3 2 2 2 Clouds SC SC SC FW FW SC FW SC FW SC SC FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 20 10 5 20 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S Tstms S S S Heat index 91 85 83 89 92 87 85 92 93 87 Max heat 91 89 92 92 93 83 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 71 87 71 86 72 89 71 91 Temp 85 82 73 71 84 81 72 71 82 81 74 73 88 81 74 72 88 85 Dewpt 71 72 71 71 73 72 72 71 74 72 73 72 73 73 73 72 73 73 PWind Dir SE SE S S S S W W NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 40 20 60 30 60 20 50 10 40 Rain shwrs C S C L C S C L S S C C Tstms C S S C S S C S S C C $$ NCZ060-090800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 138 PM EDT Fri Aug 8 2025 Date 08/08/25 Sat 08/09/25 Sun 08/10/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 86 64 86 65 Temp 79 74 67 65 63 64 75 84 83 76 69 65 64 65 78 85 83 76 70 68 67 66 Dewpt 69 69 66 64 62 62 66 66 68 66 64 64 62 63 67 68 67 68 68 66 65 66 RH 72 84 97 97 97 93 74 55 61 71 84 97 93 93 69 57 59 76 93 93 93100 Max/Min RH 100 55 97 55 100 Wind Dir S SE E E SE E SE SE SE SE SE E E E E SE SE SE SE SE E E Wind Dir Deg 17 12 11 11 12 10 12 13 15 13 12 11 10 10 11 13 12 13 12 12 11 10 Wind Spd 2 2 2 2 2 2 3 4 4 3 2 2 2 2 3 5 5 4 3 2 2 2 Clouds B2 B1 FW FW SC SC SC SC FW SC SC FW SC SC SC SC SC SC SC B1 B1 SC Clouds (%) 76 61 25 24 34 30 42 35 23 41 28 23 34 39 37 44 44 35 39 52 51 50 Vsby 10 10 10 10 7 7 10 10 10 10 10 10 PoP 12hr 20 20 10 30 20 QPF 12hr 0 0 0 0.01 0 Rain shwrs C S S C C S S S Tstms C S S C C S Heat index 86 88 86 Max heat 84 86 88 88 88 ChanceThunder 20 20 10 30 20 Max Mix Hgt AGL Mix Hgt 4800 3500 Max Vent Rt 27900 32200 T Wind Dir SE SE T Wind Spd 6 8 ADI 28 31 Max LVORI 10 10 Stability A G G A A G F B A G F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.99 28.00 28.02 27.99 27.98 27.98 27.99 28.00 28.00 28.04 28.05 Date 08/11 Tue 08/12/25 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 65 85 67 84 67 86 67 89 Temp 82 78 67 67 84 75 69 67 81 77 69 67 85 76 69 68 88 77 Dewpt 69 68 67 66 68 70 69 67 71 70 68 67 71 69 69 68 69 70 PWind Dir SE SE SE SE SW S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 SC B1 B1 B1 B2 B2 B2 B1 B1 B2 B1 B1 SC SC SC SC PoP 12hr 50 30 70 40 60 20 50 20 50 Rain shwrs S C C C L C S C L S S C S S C Tstms S C S S C S S C S S C S S C This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$